Kras gene

Definition / meaning of Kras gene

A gene that may cause cancer when it is mutated (changed). The Kras gene makes the KRAS protein, which is involved in cell signaling pathways, cell growth, and apoptosis (cell death). Agents that block the activity of the mutated Kras gene or its protein may stop the growth of cancer. Also called K-ras gene.

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The Web site of the National Cancer Institute (

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